The difference between two equals sign and three equals sign in JavaScript (==/===)

==//A comparison of values===//represents the comparison of object types1, for String,number and other basic types, = = and = = = There is a difference.A) comparison between the different types, = = Comparison of "converted to the same type of value"

Bootstrap JavaScript Plugin

In BS3. In X, 12 JavaScript plugins are available, namely: Animation Transition (Transition), modal pop-up (Modal), drop-down menu (Dropdown), scroll detection (scrollspy), tab (tab), Cue box (tooltip), Pop-up Box (Popover), Warning box (alert),

Break and continue in JavaScript

1. BreakThe break statement immediately exits the loop, forcing the statement after the loop to executevar num = 0; for (var i=1;i) { if(i%5 = = 0) {break; } Num+ +;} alert (num); // returns 42, continueContinue exits the secondary

Javascript-indexof function

12345678 the *Javascript-indexof function

Javascript-creating a new array

// Create an empty array emps var emps=[]; // Declaration ename is an empty string var ename=" "; // repeated: Ask the user to enter the employee name, save in Ename, If ename is not exit while ((ename=prompt ("Please enter name:")! = "

"JavaScript" ES6 new syntax

function* statement The function* declaration (the Function keyword followed by an asterisk) defines a generator (generator) function that returns a generator object.A generator is a function that you can exit from and then re-enter. The

Javascript, jquery get browser and screen various height widths

Javascript:In IE:Document.body.clientWidth ==> Body Object widthDocument.body.clientHeight ==> Body Object HeightDocument.documentElement.clientWidth ==> Visible Area widthDocument.documentElement.clientHeight ==> Visible Area heightIn

[Javascript] Limit Built Branches on Travis

By default, Travis would build all branches, tags, and pull requests. Because we ' re building our Master branch before we release, we don ' t need Travis building our releases. Also, we don ' t care to has Travis build all the branches. So we ' re

hasOwnProperty of JavaScript Object article

To determine that a property is defined in the object itself rather than inheriting from the prototype chain, we need to use Object.prototype the inherited hasOwnProperty method.hasOwnPropertyMethod is the Javascript only one that handles object

JavaScript settings Input Box read-only property gets the value after disabled and passes to the background

Input read-only property There are two ways to achieve the read-only effect of input: Disabled and readonly. Naturally both of the effects are only readable can not be edited, but the two are very different. Disabled indicates that

My JavaScript learning route (keep up to date)

What is JavaScript?JavaScript is a powerful and weak type of scripting language, its own use of Google V8 engine to be known all over the world, but also created the birth of later Nodejs. JavaScript is not called JavaScript, why do you say so?

Webix front-end architecture project and webix front-end architecture

Webix front-end architecture project and webix front-end architecture The webix framework is compatible with javascript, HTML, and CSS. Its Applications are flexible. In combination with the background webAPI, the App folder in the entire web

Html-based album creation and html-based album Creation

Html-based album creation and html-based album Creation This article mainly describes how to use Html5 + jQuery + CSS to make small records of an album. Main functions: Html5 Layout Calling jQuery (The Write Less, Do More) greatly simplifies

The iframe embedded page elements are displayed on the parent page and displayed in full screen. iframe embedded

The iframe embedded page elements are displayed on the parent page and displayed in full screen. iframe embedded (I have been registering a blog for a long time, and I have never been willing to add anything to it. I think it is better to search for

The custom style class name after the Ueditor uploads the image. The ueditor uploads the image

The custom style class name after the Ueditor uploads the image. The ueditor uploads the image Ueditor is a rich text plug-in of Baidu. if the user has a front-end language, it applies well, especially in mobile terminals. However, users often do

How to clear the eye icon of the cross and password input boxes in the IE10 + input X text box, ie10input

How to clear the eye icon of the cross and password input boxes in the IE10 + input X text box, ie10input In IE 10, after you input the input content of type = "text", a cross (X) is automatically generated, allowing you to clear the entered text.

Implement automatic update countdown Based on JavaScript, and automatically update javascript

Implement automatic update countdown Based on JavaScript, and automatically update javascript To implement the countdown effect, you need to master two knowledge points in js:1. the setTimeout Function updates the time in seconds every other second.2

Js timer instance sharing, js timer instance

Js timer instance sharing, js timer instance 1. Set the timer Syntax: setInterval (function, time) Note: Function writing cannot contain parentheses SetInterval (fn, 1000) // correct setInterval (fn (), 1000) // Error The minimum time is not less

Self-developed angularjs dependency injection and angularjs dependency Injection

Self-developed angularjs dependency injection and angularjs dependency Injection Angular dependency injection makes it easy to use. He appeared to "Reduce the coupling problem of computer programs". With reverence and curiosity, I gently walked into

Bootstrap Search Suggest example, bootstrapsuggest

Bootstrap Search Suggest example, bootstrapsuggest Official Bootstrap Search Suggest instructions are as follows: suggest instructionsSince this document does not provide detailed instructions on how to apply it to the actual project, especially how

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